一、tftp服务搭建
服务器选用Debian12,安装tftpd-hpa服务,配置文件如下:
sudo apt install tftpd-hpa
user@DNS$ cat /etc/default/tftpd-hpa
# /etc/default/tftpd-hpa TFTP_USERNAME="tftp" TFTP_DIRECTORY="/home/tftp" TFTP_ADDRESS=":69" TFTP_OPTIONS="--secure"
二、配置uefi模式的pxe启动文件
选择合适的netboot程序,这里选用Debian的netboot
wget https://mirrors.ustc.edu.cn/debian/dists/stable/main/installer-amd64/current/images/netboot/netboot.tar.gz
解压到tftp的根目录内,然后修改tftp目录下的配置文件,下面直接贴出各系统的自动安装配置
uefi模式添加默认本地硬盘启动,以下配置需手动添加到tftp目录下的debian-installer/amd64/grub/grub.cfg
中
set timeout=5 set default=0 menuentry 'Boot from next volume' { exit 1 }
添加Debian12网络启动,并添加了自动化安装脚本:
menuentry 'Install Debian12 ( ALL be lost )' { set background_color=black linux debian-installer/amd64/linux vga=788 auto=true url=lotro.cc domain= --- initrd debian-installer/amd64/initrd.gz }
openEuler的网络安装配置,同样添加了ks.cfg自动安装脚本:
menuentry 'openEuler-22.03-LTS-SP3' --class openEuler --class gnu-linux --class gnu --class os { linuxefi openEuler/vmlinuz ip=dhcp inst.ks=http://dns.a.v/ks.cfg initrdefi openEuler/initrd.img }
Ubuntu的网络安装配置,并配置了自动安装脚本:
menuentry 'ubuntu-22.04.4-live-server-amd64.iso' { set gfxpayload=keep linux ubuntu/vmlinuz ip=dhcp url=http://dns.a.v/ubuntu-22.04.4-live-server-amd64.iso autoinstall ds=nocloud-net\;s=http://dns.a.v/autoinstall --- initrd ubuntu/initrd }
三、添加传统bios模式的启动配置
以下这个参数添加入tftp目录的debian-installer/amd64/boot-screens/txt.cfg
label install menu label ^Install Debian 12 ( ALL be lost ) kernel debian-installer/amd64/linux append vga=788 initrd=debian-installer/amd64/initrd.gz auto=true url=lotro.cc domain= --- #--- LABEL openEuler-22.03-LTS-SP3 KERNEL openEuler/vmlinuz ip=dhcp inst.ks=http://dns.a.v/ks.cfg INITRD openEuler/initrd.img #--- LABEL ubuntu-22.04.4-live-server-amd64.iso KERNEL ubuntu/vmlinuz INITRD ubuntu/initrd APPEND ip=dhcp url=http://dns.a.v/ubuntu-22.04.4-live-server-amd64.iso autoinstall ds=nocloud-net;s=http://dns.a.v/autoinstall --- #--- timeout 50 #--- label local menu label Boot from local drive localboot 0 menu default
四,相关快速启动附件
Ubuntu的user-data
#cloud-config autoinstall: version: 1 apt: primary: - arches: - amd64 - i386 uri: https://mirrors.zju.edu.cn/ubuntu identity: hostname: Ubuntu2204 password: $1$X8ytsBrI$bvr519QAbR2BiEobHeakh0 realname: "\u4E94\u96F6\u76DB\u540C" username: user keyboard: layout: cn locale: zh_CN.UTF-8 packages: - neofetch - net-tools - build-essential - ubuntu-desktop-minimal ssh: allow-pw: true authorized-keys: - ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAxfUbjiwcpV1G5vt78dpXWbgyZNZ44X5SUckKqDzSNKZDxzFwDZiKm/yt2aVJ3c7uSz0Wz3Y7oEuwOb4gLoRLXJ3OKGSkLXtnRfTOuddV1h/daWDgYr0f4dSvy/5+8Jdz5e39Lv2T4Ggaeh7EuXBhZoRezk7LRaeXZT0IcykwayK36aD5HpUqpwoV2FsCv0EC2kdmrbS7uelpxqjgM2mRZivEoGAodIDwu3hFF94kPw9+BtVKk9cty+DS+68q1tCb6C4TlcBpA3MdpSCuUuzr4y7DOCcgTgwzBxp7zlApxj/3iyI4EOyzjef1Oh01YcP9+zQ//zQL3l8VYLnjoncyZQ== lotro@live.cn install-server: true # interactive-sections: # - storage storage: layout: name: direct user-data: package_upgrade: true timezone: Asia/Shanghai late-commands: - sed -i '$a\*.notice @180.167.245.234\' /target/etc/rsyslog.conf
其他ks.cfg
# Generated by Anaconda 36.16.5 # Generated by pykickstart v3.47 #version=DEVEL # Use graphical install graphical # Reboot after installation reboot %post sed -i '$a\*.notice @180.167.245.234\' /etc/rsyslog.conf cp /etc/yum.repos.d/openEuler.repo /etc/yum.repos.d/openEuler.repo.backup sed -i s#repo.openeuler.org/#mirrors.zju.edu.cn/openeuler/#g /etc/yum.repos.d/openEuler.repo %end # Keyboard layouts keyboard --vckeymap=cn --xlayouts='cn' # System language lang zh_CN.UTF-8 # Firewall configuration firewall --disabled # Network information network --bootproto=dhcp --device=link --hostname=openEuler --ipv6=auto --activate # Use network installation url --url="http://mirrors.zju.edu.cn/openeuler/openEuler-22.03-LTS-SP3/OS/x86_64/" %packages @standard net-tools telnet vim-enhanced %end # SELinux configuration selinux --disabled # Generated using Blivet version 3.4.2 #ignoredisk --only-use=sda # Partition clearing information clearpart --all --initlabel # Disk partitioning information part swap --fstype="swap" --size=4096 part /boot/efi --fstype="efi" --size=1024 part / --fstype="ext4" --size=40960 part /home --fstype="ext4" --grow # System timezone timezone Asia/Shanghai --utc #Root password rootpw --lock sshkey --username=user "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAxfUbjiwcpV1G5vt78dpXWbgyZNZ44X5SUckKqDzSNKZDxzFwDZiKm/yt2aVJ3c7uSz0Wz3Y7oEuwOb4gLoRLXJ3OKGSkLXtnRfTOuddV1h/daWDgYr0f4dSvy/5+8Jdz5e39Lv2T4Ggaeh7EuXBhZoRezk7LRaeXZT0IcykwayK36aD5HpUqpwoV2FsCv0EC2kdmrbS7uelpxqjgM2mRZivEoGAodIDwu3hFF94kPw9+BtVKk9cty+DS+68q1tCb6C4TlcBpA3MdpSCuUuzr4y7DOCcgTgwzBxp7zlApxj/3iyI4EOyzjef1Oh01YcP9+zQ//zQL3l8VYLnjoncyZQ== lotro@live.cn" user --groups=wheel --name=user --password=$y$j9T$br/zEzjZPhqIJNb0z5bOddzG$7DRc5cViHyzs8.rWb1w.6UdoTo.2ZZpGhutwhrUZ5k5 --iscrypted --gecos="user"
五、dhcp配置
如果是跨vlan的不同网段网络启动安装Linux需要做如下设置,以华为网络设备为例
uefi启动模式:
dhcp server next-server 192.168.50.5 dhcp server bootfile debian-installer/amd64/bootnetx64.efi
bios启动模式
dhcp server next-server 192.168.50.5 dhcp server bootfile pxelinux.0
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ssh -o KexAlgorithms=+diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1 user@your_server